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<h1 class="epydoc">Source Code for <a href="esapi.reference.validation.credit_card_validation_rule-module.html">Module esapi.reference.validation.credit_card_validation_rule</a></h1>
<pre class="py-src">
<a name="L1"></a><tt class="py-lineno"> 1</tt>  <tt class="py-line"><tt class="py-comment">#!/usr/bin/python</tt> </tt>
<a name="L2"></a><tt class="py-lineno"> 2</tt>  <tt class="py-line"><tt class="py-comment"># -*- coding: utf-8 -*-</tt> </tt>
<a name="L3"></a><tt class="py-lineno"> 3</tt>  <tt class="py-line"> </tt>
<a name="L4"></a><tt class="py-lineno"> 4</tt>  <tt class="py-line"><tt class="py-docstring">"""</tt> </tt>
<a name="L5"></a><tt class="py-lineno"> 5</tt>  <tt class="py-line"><tt class="py-docstring">@license: OWASP Enterprise Security API (ESAPI)</tt> </tt>
<a name="L6"></a><tt class="py-lineno"> 6</tt>  <tt class="py-line"><tt class="py-docstring">     </tt> </tt>
<a name="L7"></a><tt class="py-lineno"> 7</tt>  <tt class="py-line"><tt class="py-docstring">    This file is part of the Open Web Application Security Project (OWASP)</tt> </tt>
<a name="L8"></a><tt class="py-lineno"> 8</tt>  <tt class="py-line"><tt class="py-docstring">    Enterprise Security API (ESAPI) project. For details, please see</tt> </tt>
<a name="L9"></a><tt class="py-lineno"> 9</tt>  <tt class="py-line"><tt class="py-docstring">    U{http://www.owasp.org/index.php/ESAPI&lt;http://www.owasp.org/index.php/ESAPI&gt;}.</tt> </tt>
<a name="L10"></a><tt class="py-lineno">10</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L11"></a><tt class="py-lineno">11</tt>  <tt class="py-line"><tt class="py-docstring">    The ESAPI is published by OWASP under the BSD license. You should read and </tt> </tt>
<a name="L12"></a><tt class="py-lineno">12</tt>  <tt class="py-line"><tt class="py-docstring">    accept the LICENSE before you use, modify, and/or redistribute this software.</tt> </tt>
<a name="L13"></a><tt class="py-lineno">13</tt>  <tt class="py-line"><tt class="py-docstring">    </tt> </tt>
<a name="L14"></a><tt class="py-lineno">14</tt>  <tt class="py-line"><tt class="py-docstring">@summary: Syntax and semantic validation of a credit card number.</tt> </tt>
<a name="L15"></a><tt class="py-lineno">15</tt>  <tt class="py-line"><tt class="py-docstring">@copyright: Copyright (c) 2009 - The OWASP Foundation</tt> </tt>
<a name="L16"></a><tt class="py-lineno">16</tt>  <tt class="py-line"><tt class="py-docstring">@author: Craig Younkins (craig.younkins@owasp.org)</tt> </tt>
<a name="L17"></a><tt class="py-lineno">17</tt>  <tt class="py-line"><tt class="py-docstring">"""</tt> </tt>
<a name="L18"></a><tt class="py-lineno">18</tt>  <tt class="py-line"> </tt>
<a name="L19"></a><tt class="py-lineno">19</tt>  <tt class="py-line"><tt class="py-keyword">from</tt> <tt id="link-0" class="py-name" targets="Package esapi=esapi-module.html"><a title="esapi" class="py-name" href="#" onclick="return doclink('link-0', 'esapi', 'link-0');">esapi</a></tt><tt class="py-op">.</tt><tt id="link-1" class="py-name" targets="Module esapi.core=esapi.core-module.html"><a title="esapi.core" class="py-name" href="#" onclick="return doclink('link-1', 'core', 'link-1');">core</a></tt> <tt class="py-keyword">import</tt> <tt id="link-2" class="py-name" targets="Class esapi.core.ESAPI=esapi.core.ESAPI-class.html"><a title="esapi.core.ESAPI" class="py-name" href="#" onclick="return doclink('link-2', 'ESAPI', 'link-2');">ESAPI</a></tt> </tt>
<a name="L20"></a><tt class="py-lineno">20</tt>  <tt class="py-line"><tt class="py-keyword">from</tt> <tt id="link-3" class="py-name"><a title="esapi" class="py-name" href="#" onclick="return doclink('link-3', 'esapi', 'link-0');">esapi</a></tt><tt class="py-op">.</tt><tt id="link-4" class="py-name" targets="Module esapi.translation=esapi.translation-module.html"><a title="esapi.translation" class="py-name" href="#" onclick="return doclink('link-4', 'translation', 'link-4');">translation</a></tt> <tt class="py-keyword">import</tt> <tt class="py-name">_</tt> </tt>
<a name="L21"></a><tt class="py-lineno">21</tt>  <tt class="py-line"> </tt>
<a name="L22"></a><tt class="py-lineno">22</tt>  <tt class="py-line"><tt class="py-keyword">from</tt> <tt id="link-5" class="py-name"><a title="esapi" class="py-name" href="#" onclick="return doclink('link-5', 'esapi', 'link-0');">esapi</a></tt><tt class="py-op">.</tt><tt id="link-6" class="py-name" targets="Package esapi.reference=esapi.reference-module.html"><a title="esapi.reference" class="py-name" href="#" onclick="return doclink('link-6', 'reference', 'link-6');">reference</a></tt><tt class="py-op">.</tt><tt id="link-7" class="py-name" targets="Package esapi.reference.validation=esapi.reference.validation-module.html"><a title="esapi.reference.validation" class="py-name" href="#" onclick="return doclink('link-7', 'validation', 'link-7');">validation</a></tt><tt class="py-op">.</tt><tt id="link-8" class="py-name" targets="Module esapi.reference.validation.base_validation_rule=esapi.reference.validation.base_validation_rule-module.html"><a title="esapi.reference.validation.base_validation_rule" class="py-name" href="#" onclick="return doclink('link-8', 'base_validation_rule', 'link-8');">base_validation_rule</a></tt> <tt class="py-keyword">import</tt> <tt id="link-9" class="py-name" targets="Class esapi.reference.validation.base_validation_rule.BaseValidationRule=esapi.reference.validation.base_validation_rule.BaseValidationRule-class.html"><a title="esapi.reference.validation.base_validation_rule.BaseValidationRule" class="py-name" href="#" onclick="return doclink('link-9', 'BaseValidationRule', 'link-9');">BaseValidationRule</a></tt> </tt>
<a name="L23"></a><tt class="py-lineno">23</tt>  <tt class="py-line"><tt class="py-keyword">from</tt> <tt id="link-10" class="py-name"><a title="esapi" class="py-name" href="#" onclick="return doclink('link-10', 'esapi', 'link-0');">esapi</a></tt><tt class="py-op">.</tt><tt id="link-11" class="py-name"><a title="esapi.reference" class="py-name" href="#" onclick="return doclink('link-11', 'reference', 'link-6');">reference</a></tt><tt class="py-op">.</tt><tt id="link-12" class="py-name"><a title="esapi.reference.validation" class="py-name" href="#" onclick="return doclink('link-12', 'validation', 'link-7');">validation</a></tt><tt class="py-op">.</tt><tt id="link-13" class="py-name" targets="Module esapi.reference.validation.string_validation_rule=esapi.reference.validation.string_validation_rule-module.html"><a title="esapi.reference.validation.string_validation_rule" class="py-name" href="#" onclick="return doclink('link-13', 'string_validation_rule', 'link-13');">string_validation_rule</a></tt> <tt class="py-keyword">import</tt> <tt id="link-14" class="py-name" targets="Class esapi.reference.validation.string_validation_rule.StringValidationRule=esapi.reference.validation.string_validation_rule.StringValidationRule-class.html"><a title="esapi.reference.validation.string_validation_rule.StringValidationRule" class="py-name" href="#" onclick="return doclink('link-14', 'StringValidationRule', 'link-14');">StringValidationRule</a></tt> </tt>
<a name="L24"></a><tt class="py-lineno">24</tt>  <tt class="py-line"> </tt>
<a name="L25"></a><tt class="py-lineno">25</tt>  <tt class="py-line"><tt class="py-keyword">from</tt> <tt id="link-15" class="py-name"><a title="esapi" class="py-name" href="#" onclick="return doclink('link-15', 'esapi', 'link-0');">esapi</a></tt><tt class="py-op">.</tt><tt id="link-16" class="py-name" targets="Module esapi.exceptions=esapi.exceptions-module.html"><a title="esapi.exceptions" class="py-name" href="#" onclick="return doclink('link-16', 'exceptions', 'link-16');">exceptions</a></tt> <tt class="py-keyword">import</tt> <tt id="link-17" class="py-name" targets="Class esapi.exceptions.ValidationException=esapi.exceptions.ValidationException-class.html"><a title="esapi.exceptions.ValidationException" class="py-name" href="#" onclick="return doclink('link-17', 'ValidationException', 'link-17');">ValidationException</a></tt> </tt>
<a name="L26"></a><tt class="py-lineno">26</tt>  <tt class="py-line"> </tt>
<a name="L27"></a><tt class="py-lineno">27</tt>  <tt class="py-line"><tt id="link-18" class="py-name" targets="Variable esapi.reference.validation.credit_card_validation_rule.CC_MAX_LENGTH=esapi.reference.validation.credit_card_validation_rule-module.html#CC_MAX_LENGTH"><a title="esapi.reference.validation.credit_card_validation_rule.CC_MAX_LENGTH" class="py-name" href="#" onclick="return doclink('link-18', 'CC_MAX_LENGTH', 'link-18');">CC_MAX_LENGTH</a></tt> <tt class="py-op">=</tt> <tt class="py-number">19</tt> </tt>
<a name="L28"></a><tt class="py-lineno">28</tt>  <tt class="py-line"> </tt>
<a name="CreditCardValidationRule"></a><div id="CreditCardValidationRule-def"><a name="L29"></a><tt class="py-lineno">29</tt> <a class="py-toggle" href="#" id="CreditCardValidationRule-toggle" onclick="return toggle('CreditCardValidationRule');">-</a><tt class="py-line"><tt class="py-keyword">class</tt> <a class="py-def-name" href="esapi.reference.validation.credit_card_validation_rule.CreditCardValidationRule-class.html">CreditCardValidationRule</a><tt class="py-op">(</tt><tt class="py-base-class">BaseValidationRule</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="CreditCardValidationRule-collapsed" style="display:none;" pad="++" indent="++++"></div><div id="CreditCardValidationRule-expanded"><a name="L30"></a><tt class="py-lineno">30</tt>  <tt class="py-line">    <tt class="py-docstring">"""</tt> </tt>
<a name="L31"></a><tt class="py-lineno">31</tt>  <tt class="py-line"><tt class="py-docstring">    This validator is used to perform syntax and semantic validation of a credit</tt> </tt>
<a name="L32"></a><tt class="py-lineno">32</tt>  <tt class="py-line"><tt class="py-docstring">    card number using the Luhn algorithm.</tt> </tt>
<a name="L33"></a><tt class="py-lineno">33</tt>  <tt class="py-line"><tt class="py-docstring">    """</tt> </tt>
<a name="CreditCardValidationRule.__init__"></a><div id="CreditCardValidationRule.__init__-def"><a name="L34"></a><tt class="py-lineno">34</tt> <a class="py-toggle" href="#" id="CreditCardValidationRule.__init__-toggle" onclick="return toggle('CreditCardValidationRule.__init__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="esapi.reference.validation.credit_card_validation_rule.CreditCardValidationRule-class.html#__init__">__init__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">type_name</tt><tt class="py-op">,</tt> <tt class="py-param">encoder</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="CreditCardValidationRule.__init__-collapsed" style="display:none;" pad="++" indent="++++++++"></div><div id="CreditCardValidationRule.__init__-expanded"><a name="L35"></a><tt class="py-lineno">35</tt>  <tt class="py-line">        <tt id="link-19" class="py-name"><a title="esapi.reference.validation.base_validation_rule.BaseValidationRule" class="py-name" href="#" onclick="return doclink('link-19', 'BaseValidationRule', 'link-9');">BaseValidationRule</a></tt><tt class="py-op">.</tt><tt id="link-20" class="py-name" targets="Method esapi.access_reference_map.AccessReferenceMap.__init__()=esapi.access_reference_map.AccessReferenceMap-class.html#__init__,Method esapi.authenticator.Authenticator.__init__()=esapi.authenticator.Authenticator-class.html#__init__,Method esapi.codecs.codec.Codec.__init__()=esapi.codecs.codec.Codec-class.html#__init__,Method esapi.codecs.css.CSSCodec.__init__()=esapi.codecs.css.CSSCodec-class.html#__init__,Method 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esapi.authenticator.Authenticator.__init__
esapi.codecs.codec.Codec.__init__
esapi.codecs.css.CSSCodec.__init__
esapi.codecs.html_entity.HTMLEntityCodec.__init__
esapi.codecs.javascript.JavascriptCodec.__init__
esapi.codecs.ldap.LDAPCodec.__init__
esapi.codecs.ldap_dn.LDAPDNCodec.__init__
esapi.codecs.mysql.MySQLCodec.__init__
esapi.codecs.oracle.OracleCodec.__init__
esapi.codecs.percent.PercentCodec.__init__
esapi.codecs.push_back_string.PushbackString.__init__
esapi.codecs.unix.UnixCodec.__init__
esapi.codecs.vbscript.VBScriptCodec.__init__
esapi.codecs.windows.WindowsCodec.__init__
esapi.encoder.Encoder.__init__
esapi.encryptor.Encryptor.__init__
esapi.exceptions.AccessControlException.__init__
esapi.exceptions.AuthenticationAccountsException.__init__
esapi.exceptions.AuthenticationCredentialsException.__init__
esapi.exceptions.AuthenticationException.__init__
esapi.exceptions.AuthenticationHostException.__init__
esapi.exceptions.AuthenticationLoginException.__init__
esapi.exceptions.AvailabilityException.__init__
esapi.exceptions.CertificateException.__init__
esapi.exceptions.ConfigurationException.__init__
esapi.exceptions.EncodingException.__init__
esapi.exceptions.EncryptionException.__init__
esapi.exceptions.EnterpriseSecurityException.__init__
esapi.exceptions.ExecutorException.__init__
esapi.exceptions.IntegrityException.__init__
esapi.exceptions.IntrusionException.__init__
esapi.exceptions.ValidationAvailabilityException.__init__
esapi.exceptions.ValidationException.__init__
esapi.exceptions.ValidationUploadException.__init__
esapi.executor.Executor.__init__
esapi.http_utilities.HTTPUtilities.__init__
esapi.ihttp.IHttpRequest.__init__
esapi.ihttp.IHttpResponse.__init__
esapi.ihttp.ISession.__init__
esapi.log_factory.LogFactory.__init__
esapi.logger.Logger.EventType.__init__
esapi.logger.Logger.__init__
esapi.randomizer.Randomizer.__init__
esapi.reference.default_encoder.DefaultEncoder.__init__
esapi.reference.default_encryptor.DefaultEncryptor.__init__
esapi.reference.default_executor.DefaultExecutor.__init__
esapi.reference.default_http_utilities.DefaultHTTPUtilities.__init__
esapi.reference.default_intrusion_detector.DefaultIntrusionDetector.Event.__init__
esapi.reference.default_intrusion_detector.DefaultIntrusionDetector.__init__
esapi.reference.default_randomizer.DefaultRandomizer.__init__
esapi.reference.default_security_configuration.DefaultSecurityConfiguration.__init__
esapi.reference.default_user.DefaultUser.__init__
esapi.reference.default_validator.DefaultValidator.__init__
esapi.reference.file_based_access_controller.FileBasedAccessController.__init__
esapi.reference.file_based_access_controller.Rule.__init__
esapi.reference.python_log_factory.PythonLogFactory.PythonLogger.__init__
esapi.reference.python_log_factory.PythonLogFactory.__init__
esapi.reference.random_access_reference_map.RandomAccessReferenceMap.__init__
esapi.reference.shelve_authenticator.ShelveAuthenticator.__init__
esapi.reference.user_credentials.UserCredentials.__init__
esapi.reference.validation.base_validation_rule.BaseValidationRule.__init__
esapi.reference.validation.credit_card_validation_rule.CreditCardValidationRule.__init__
esapi.reference.validation.date_validation_rule.DateValidationRule.__init__
esapi.reference.validation.number_validation_rule.NumberValidationRule.__init__
esapi.reference.validation.string_validation_rule.StringValidationRule.__init__
esapi.security_configuration.SecurityConfiguration.Threshold.__init__
esapi.security_configuration.SecurityConfiguration.__init__
esapi.test.http.mock_http_request.MockHttpRequest.__init__
esapi.test.http.mock_http_response.MockHttpResponse.__init__
esapi.test.http.mock_session.MockSession.__init__
esapi.test.test_access_controller.AccessControllerTest.__init__
esapi.test.test_authenticator.ValidatorTest.__init__
esapi.test.test_encoder.EncoderTest.__init__
esapi.test.test_encryptor.EncryptorTest.__init__
esapi.test.test_executor.ExecutorTest.__init__
esapi.test.test_http_utilities.HTTPUtilitiesTest.__init__
esapi.test.test_intrusion_detector.IntrusionDetectorTest.__init__
esapi.test.test_logger.LoggerTest.__init__
esapi.test.test_random_access_map.ARMTest.__init__
esapi.test.test_randomizer.RandomizerTest.__init__
esapi.test.test_user.UserTest.__init__
esapi.test.test_validator.ValidatorTest.__init__
esapi.user.AnonymousUser.__init__
esapi.user.User.__init__
esapi.validator.Validator.__init__" class="py-name" href="#" onclick="return doclink('link-20', '__init__', 'link-20');">__init__</a></tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">,</tt> <tt class="py-name">type_name</tt><tt class="py-op">,</tt> <tt id="link-21" class="py-name" targets="Class Method esapi.core.ESAPI.encoder()=esapi.core.ESAPI-class.html#encoder,Module esapi.encoder=esapi.encoder-module.html"><a title="esapi.core.ESAPI.encoder
esapi.encoder" class="py-name" href="#" onclick="return doclink('link-21', 'encoder', 'link-21');">encoder</a></tt><tt class="py-op">)</tt> </tt>
<a name="L36"></a><tt class="py-lineno">36</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">ccrule</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-22" class="py-name" targets="Method esapi.reference.validation.credit_card_validation_rule.CreditCardValidationRule.get_cc_rule()=esapi.reference.validation.credit_card_validation_rule.CreditCardValidationRule-class.html#get_cc_rule"><a title="esapi.reference.validation.credit_card_validation_rule.CreditCardValidationRule.get_cc_rule" class="py-name" href="#" onclick="return doclink('link-22', 'get_cc_rule', 'link-22');">get_cc_rule</a></tt><tt class="py-op">(</tt><tt id="link-23" class="py-name"><a title="esapi.core.ESAPI.encoder
esapi.encoder" class="py-name" href="#" onclick="return doclink('link-23', 'encoder', 'link-21');">encoder</a></tt><tt class="py-op">)</tt> </tt>
</div><a name="L37"></a><tt class="py-lineno">37</tt>  <tt class="py-line">         </tt>
<a name="CreditCardValidationRule.get_cc_rule"></a><div id="CreditCardValidationRule.get_cc_rule-def"><a name="L38"></a><tt class="py-lineno">38</tt> <a class="py-toggle" href="#" id="CreditCardValidationRule.get_cc_rule-toggle" onclick="return toggle('CreditCardValidationRule.get_cc_rule');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="esapi.reference.validation.credit_card_validation_rule.CreditCardValidationRule-class.html#get_cc_rule">get_cc_rule</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">encoder</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="CreditCardValidationRule.get_cc_rule-collapsed" style="display:none;" pad="++" indent="++++++++"></div><div id="CreditCardValidationRule.get_cc_rule-expanded"><a name="L39"></a><tt class="py-lineno">39</tt>  <tt class="py-line">        <tt class="py-name">pattern</tt> <tt class="py-op">=</tt> <tt id="link-24" class="py-name"><a title="esapi.core.ESAPI" class="py-name" href="#" onclick="return doclink('link-24', 'ESAPI', 'link-2');">ESAPI</a></tt><tt class="py-op">.</tt><tt id="link-25" class="py-name" targets="Class Method esapi.core.ESAPI.security_configuration()=esapi.core.ESAPI-class.html#security_configuration,Module esapi.security_configuration=esapi.security_configuration-module.html"><a title="esapi.core.ESAPI.security_configuration
esapi.security_configuration" class="py-name" href="#" onclick="return doclink('link-25', 'security_configuration', 'link-25');">security_configuration</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">.</tt><tt id="link-26" class="py-name" targets="Method esapi.reference.default_security_configuration.DefaultSecurityConfiguration.get_validation_pattern()=esapi.reference.default_security_configuration.DefaultSecurityConfiguration-class.html#get_validation_pattern,Method esapi.security_configuration.SecurityConfiguration.get_validation_pattern()=esapi.security_configuration.SecurityConfiguration-class.html#get_validation_pattern"><a title="esapi.reference.default_security_configuration.DefaultSecurityConfiguration.get_validation_pattern
esapi.security_configuration.SecurityConfiguration.get_validation_pattern" class="py-name" href="#" onclick="return doclink('link-26', 'get_validation_pattern', 'link-26');">get_validation_pattern</a></tt><tt class="py-op">(</tt><tt class="py-string">"CreditCard"</tt><tt class="py-op">)</tt> </tt>
<a name="L40"></a><tt class="py-lineno">40</tt>  <tt class="py-line">        <tt class="py-name">ccr</tt> <tt class="py-op">=</tt> <tt id="link-27" class="py-name"><a title="esapi.reference.validation.string_validation_rule.StringValidationRule" class="py-name" href="#" onclick="return doclink('link-27', 'StringValidationRule', 'link-14');">StringValidationRule</a></tt><tt class="py-op">(</tt><tt class="py-string">"ccrule"</tt><tt class="py-op">,</tt> <tt id="link-28" class="py-name"><a title="esapi.core.ESAPI.encoder
esapi.encoder" class="py-name" href="#" onclick="return doclink('link-28', 'encoder', 'link-21');">encoder</a></tt><tt class="py-op">,</tt> <tt class="py-name">pattern</tt><tt class="py-op">)</tt> </tt>
<a name="L41"></a><tt class="py-lineno">41</tt>  <tt class="py-line">        <tt class="py-name">ccr</tt><tt class="py-op">.</tt><tt id="link-29" class="py-name" targets="Method esapi.reference.validation.string_validation_rule.StringValidationRule.set_maximum_length()=esapi.reference.validation.string_validation_rule.StringValidationRule-class.html#set_maximum_length"><a title="esapi.reference.validation.string_validation_rule.StringValidationRule.set_maximum_length" class="py-name" href="#" onclick="return doclink('link-29', 'set_maximum_length', 'link-29');">set_maximum_length</a></tt><tt class="py-op">(</tt><tt id="link-30" class="py-name"><a title="esapi.reference.validation.credit_card_validation_rule.CC_MAX_LENGTH" class="py-name" href="#" onclick="return doclink('link-30', 'CC_MAX_LENGTH', 'link-18');">CC_MAX_LENGTH</a></tt><tt class="py-op">)</tt> </tt>
<a name="L42"></a><tt class="py-lineno">42</tt>  <tt class="py-line">        <tt class="py-name">ccr</tt><tt class="py-op">.</tt><tt id="link-31" class="py-name" targets="Method esapi.reference.validation.base_validation_rule.BaseValidationRule.set_allow_none()=esapi.reference.validation.base_validation_rule.BaseValidationRule-class.html#set_allow_none,Method esapi.validation_rule.ValidationRule.set_allow_none()=esapi.validation_rule.ValidationRule-class.html#set_allow_none"><a title="esapi.reference.validation.base_validation_rule.BaseValidationRule.set_allow_none
esapi.validation_rule.ValidationRule.set_allow_none" class="py-name" href="#" onclick="return doclink('link-31', 'set_allow_none', 'link-31');">set_allow_none</a></tt><tt class="py-op">(</tt><tt class="py-name">False</tt><tt class="py-op">)</tt> </tt>
<a name="L43"></a><tt class="py-lineno">43</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">ccr</tt> </tt>
</div><a name="L44"></a><tt class="py-lineno">44</tt>  <tt class="py-line">         </tt>
<a name="CreditCardValidationRule.get_valid"></a><div id="CreditCardValidationRule.get_valid-def"><a name="L45"></a><tt class="py-lineno">45</tt> <a class="py-toggle" href="#" id="CreditCardValidationRule.get_valid-toggle" onclick="return toggle('CreditCardValidationRule.get_valid');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="esapi.reference.validation.credit_card_validation_rule.CreditCardValidationRule-class.html#get_valid">get_valid</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">context</tt><tt class="py-op">,</tt> <tt class="py-param">input_</tt><tt class="py-op">,</tt> <tt class="py-param">error_list</tt><tt class="py-op">=</tt><tt class="py-name">None</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="CreditCardValidationRule.get_valid-collapsed" style="display:none;" pad="++" indent="++++++++"></div><div id="CreditCardValidationRule.get_valid-expanded"><a name="L46"></a><tt class="py-lineno">46</tt>  <tt class="py-line">        <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L47"></a><tt class="py-lineno">47</tt>  <tt class="py-line">            <tt class="py-comment"># check null</tt> </tt>
<a name="L48"></a><tt class="py-lineno">48</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">input_</tt> <tt class="py-keyword">is</tt> <tt class="py-name">None</tt> <tt class="py-keyword">or</tt> <tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">input_</tt><tt class="py-op">)</tt> <tt class="py-op">==</tt> <tt class="py-number">0</tt><tt class="py-op">:</tt> </tt>
<a name="L49"></a><tt class="py-lineno">49</tt>  <tt class="py-line">                <tt class="py-keyword">if</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">allow_none</tt><tt class="py-op">:</tt> </tt>
<a name="L50"></a><tt class="py-lineno">50</tt>  <tt class="py-line">                    <tt class="py-keyword">return</tt> <tt class="py-name">None</tt> </tt>
<a name="L51"></a><tt class="py-lineno">51</tt>  <tt class="py-line">                <tt class="py-keyword">raise</tt> <tt id="link-32" class="py-name"><a title="esapi.exceptions.ValidationException" class="py-name" href="#" onclick="return doclink('link-32', 'ValidationException', 'link-17');">ValidationException</a></tt><tt class="py-op">(</tt>  </tt>
<a name="L52"></a><tt class="py-lineno">52</tt>  <tt class="py-line">                   <tt class="py-name">_</tt><tt class="py-op">(</tt><tt class="py-string">"%(context)s: Input credit card required"</tt><tt class="py-op">)</tt> <tt class="py-op">%</tt>  </tt>
<a name="L53"></a><tt class="py-lineno">53</tt>  <tt class="py-line">                   <tt class="py-op">{</tt><tt class="py-string">'context'</tt> <tt class="py-op">:</tt> <tt class="py-name">context</tt><tt class="py-op">}</tt><tt class="py-op">,</tt>  </tt>
<a name="L54"></a><tt class="py-lineno">54</tt>  <tt class="py-line">                   <tt class="py-name">_</tt><tt class="py-op">(</tt><tt class="py-string">"Input credit card required: context=%(context)s, input=%(input)s"</tt><tt class="py-op">)</tt> <tt class="py-op">%</tt>  </tt>
<a name="L55"></a><tt class="py-lineno">55</tt>  <tt class="py-line">                   <tt class="py-op">{</tt><tt class="py-string">'context'</tt> <tt class="py-op">:</tt> <tt class="py-name">context</tt><tt class="py-op">,</tt> </tt>
<a name="L56"></a><tt class="py-lineno">56</tt>  <tt class="py-line">                    <tt class="py-string">'input'</tt> <tt class="py-op">:</tt> <tt class="py-name">input_</tt><tt class="py-op">}</tt><tt class="py-op">,</tt>  </tt>
<a name="L57"></a><tt class="py-lineno">57</tt>  <tt class="py-line">                   <tt class="py-name">context</tt> <tt class="py-op">)</tt> </tt>
<a name="L58"></a><tt class="py-lineno">58</tt>  <tt class="py-line">                         </tt>
<a name="L59"></a><tt class="py-lineno">59</tt>  <tt class="py-line">            <tt class="py-comment"># canonicalize</tt> </tt>
<a name="L60"></a><tt class="py-lineno">60</tt>  <tt class="py-line">            <tt class="py-name">canonical</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">ccrule</tt><tt class="py-op">.</tt><tt id="link-33" class="py-name" targets="Method esapi.reference.validation.base_validation_rule.BaseValidationRule.get_valid()=esapi.reference.validation.base_validation_rule.BaseValidationRule-class.html#get_valid,Method esapi.reference.validation.credit_card_validation_rule.CreditCardValidationRule.get_valid()=esapi.reference.validation.credit_card_validation_rule.CreditCardValidationRule-class.html#get_valid,Method esapi.reference.validation.date_validation_rule.DateValidationRule.get_valid()=esapi.reference.validation.date_validation_rule.DateValidationRule-class.html#get_valid,Method esapi.reference.validation.number_validation_rule.NumberValidationRule.get_valid()=esapi.reference.validation.number_validation_rule.NumberValidationRule-class.html#get_valid,Method esapi.reference.validation.string_validation_rule.StringValidationRule.get_valid()=esapi.reference.validation.string_validation_rule.StringValidationRule-class.html#get_valid,Method esapi.validation_rule.ValidationRule.get_valid()=esapi.validation_rule.ValidationRule-class.html#get_valid"><a title="esapi.reference.validation.base_validation_rule.BaseValidationRule.get_valid
esapi.reference.validation.credit_card_validation_rule.CreditCardValidationRule.get_valid
esapi.reference.validation.date_validation_rule.DateValidationRule.get_valid
esapi.reference.validation.number_validation_rule.NumberValidationRule.get_valid
esapi.reference.validation.string_validation_rule.StringValidationRule.get_valid
esapi.validation_rule.ValidationRule.get_valid" class="py-name" href="#" onclick="return doclink('link-33', 'get_valid', 'link-33');">get_valid</a></tt><tt class="py-op">(</tt><tt class="py-name">context</tt><tt class="py-op">,</tt> <tt class="py-name">input_</tt><tt class="py-op">)</tt> </tt>
<a name="L61"></a><tt class="py-lineno">61</tt>  <tt class="py-line">             </tt>
<a name="L62"></a><tt class="py-lineno">62</tt>  <tt class="py-line">            <tt class="py-name">digits_only</tt> <tt class="py-op">=</tt> <tt class="py-string">''</tt><tt class="py-op">.</tt><tt class="py-name">join</tt><tt class="py-op">(</tt><tt class="py-op">[</tt><tt class="py-name">char</tt> <tt class="py-keyword">for</tt> <tt class="py-name">char</tt> <tt class="py-keyword">in</tt> <tt class="py-name">canonical</tt> <tt class="py-keyword">if</tt> <tt class="py-name">char</tt><tt class="py-op">.</tt><tt class="py-name">isdigit</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L63"></a><tt class="py-lineno">63</tt>  <tt class="py-line">             </tt>
<a name="L64"></a><tt class="py-lineno">64</tt>  <tt class="py-line">            <tt class="py-comment"># Luhn alogrithm checking</tt> </tt>
<a name="L65"></a><tt class="py-lineno">65</tt>  <tt class="py-line">            <tt class="py-name">sum_</tt> <tt class="py-op">=</tt> <tt class="py-number">0</tt> </tt>
<a name="L66"></a><tt class="py-lineno">66</tt>  <tt class="py-line">            <tt class="py-name">times_two</tt> <tt class="py-op">=</tt> <tt class="py-name">False</tt> </tt>
<a name="L67"></a><tt class="py-lineno">67</tt>  <tt class="py-line">            <tt class="py-keyword">for</tt> <tt class="py-name">digit</tt> <tt class="py-keyword">in</tt> <tt class="py-name">reversed</tt><tt class="py-op">(</tt><tt class="py-name">digits_only</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L68"></a><tt class="py-lineno">68</tt>  <tt class="py-line">                <tt class="py-name">digit</tt> <tt class="py-op">=</tt> <tt class="py-name">int</tt><tt class="py-op">(</tt><tt class="py-name">digit</tt><tt class="py-op">)</tt> </tt>
<a name="L69"></a><tt class="py-lineno">69</tt>  <tt class="py-line">                <tt class="py-keyword">assert</tt> <tt class="py-number">0</tt> <tt class="py-op">&lt;=</tt> <tt class="py-name">digit</tt> <tt class="py-op">&lt;=</tt> <tt class="py-number">9</tt> </tt>
<a name="L70"></a><tt class="py-lineno">70</tt>  <tt class="py-line">                <tt class="py-keyword">if</tt> <tt class="py-name">times_two</tt><tt class="py-op">:</tt> </tt>
<a name="L71"></a><tt class="py-lineno">71</tt>  <tt class="py-line">                    <tt class="py-name">digit</tt> <tt class="py-op">*=</tt> <tt class="py-number">2</tt> </tt>
<a name="L72"></a><tt class="py-lineno">72</tt>  <tt class="py-line">                    <tt class="py-keyword">if</tt> <tt class="py-name">digit</tt> <tt class="py-op">&gt;</tt> <tt class="py-number">9</tt><tt class="py-op">:</tt> </tt>
<a name="L73"></a><tt class="py-lineno">73</tt>  <tt class="py-line">                        <tt class="py-name">digit</tt> <tt class="py-op">-=</tt> <tt class="py-number">9</tt> </tt>
<a name="L74"></a><tt class="py-lineno">74</tt>  <tt class="py-line">                <tt class="py-name">sum_</tt> <tt class="py-op">+=</tt> <tt class="py-name">digit</tt> </tt>
<a name="L75"></a><tt class="py-lineno">75</tt>  <tt class="py-line">                <tt class="py-name">times_two</tt> <tt class="py-op">=</tt> <tt class="py-keyword">not</tt> <tt class="py-name">times_two</tt> </tt>
<a name="L76"></a><tt class="py-lineno">76</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-op">(</tt><tt class="py-name">sum_</tt> <tt class="py-op">%</tt> <tt class="py-number">10</tt><tt class="py-op">)</tt> <tt class="py-op">!=</tt> <tt class="py-number">0</tt><tt class="py-op">:</tt> </tt>
<a name="L77"></a><tt class="py-lineno">77</tt>  <tt class="py-line">                <tt class="py-keyword">raise</tt> <tt id="link-34" class="py-name"><a title="esapi.exceptions.ValidationException" class="py-name" href="#" onclick="return doclink('link-34', 'ValidationException', 'link-17');">ValidationException</a></tt><tt class="py-op">(</tt>  </tt>
<a name="L78"></a><tt class="py-lineno">78</tt>  <tt class="py-line">                   <tt class="py-name">_</tt><tt class="py-op">(</tt><tt class="py-string">"%(context)s: Invalid credit card input"</tt><tt class="py-op">)</tt> <tt class="py-op">%</tt>  </tt>
<a name="L79"></a><tt class="py-lineno">79</tt>  <tt class="py-line">                   <tt class="py-op">{</tt><tt class="py-string">'context'</tt> <tt class="py-op">:</tt> <tt class="py-name">context</tt><tt class="py-op">}</tt><tt class="py-op">,</tt>  </tt>
<a name="L80"></a><tt class="py-lineno">80</tt>  <tt class="py-line">                   <tt class="py-name">_</tt><tt class="py-op">(</tt><tt class="py-string">"Invalid credit card input. Credit card number did not pass Luhn test: context=%(context)s"</tt><tt class="py-op">)</tt> <tt class="py-op">%</tt>  </tt>
<a name="L81"></a><tt class="py-lineno">81</tt>  <tt class="py-line">                   <tt class="py-op">{</tt><tt class="py-string">'context'</tt> <tt class="py-op">:</tt> <tt class="py-name">context</tt><tt class="py-op">}</tt><tt class="py-op">,</tt>  </tt>
<a name="L82"></a><tt class="py-lineno">82</tt>  <tt class="py-line">                  <tt class="py-name">context</tt> <tt class="py-op">)</tt> </tt>
<a name="L83"></a><tt class="py-lineno">83</tt>  <tt class="py-line">                 </tt>
<a name="L84"></a><tt class="py-lineno">84</tt>  <tt class="py-line">            <tt class="py-keyword">return</tt> <tt class="py-name">digits_only</tt> </tt>
<a name="L85"></a><tt class="py-lineno">85</tt>  <tt class="py-line">        <tt class="py-keyword">except</tt> <tt id="link-35" class="py-name"><a title="esapi.exceptions.ValidationException" class="py-name" href="#" onclick="return doclink('link-35', 'ValidationException', 'link-17');">ValidationException</a></tt><tt class="py-op">,</tt> <tt class="py-name">extra</tt><tt class="py-op">:</tt> </tt>
<a name="L86"></a><tt class="py-lineno">86</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">error_list</tt> <tt class="py-keyword">is</tt> <tt class="py-keyword">not</tt> <tt class="py-name">None</tt><tt class="py-op">:</tt> </tt>
<a name="L87"></a><tt class="py-lineno">87</tt>  <tt class="py-line">                <tt class="py-name">error_list</tt><tt class="py-op">[</tt><tt class="py-name">context</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">extra</tt> </tt>
<a name="L88"></a><tt class="py-lineno">88</tt>  <tt class="py-line">            <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L89"></a><tt class="py-lineno">89</tt>  <tt class="py-line">                <tt class="py-keyword">raise</tt> </tt>
<a name="L90"></a><tt class="py-lineno">90</tt>  <tt class="py-line">             </tt>
<a name="L91"></a><tt class="py-lineno">91</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">None</tt> </tt>
</div></div><a name="L92"></a><tt class="py-lineno">92</tt>  <tt class="py-line"> </tt><script type="text/javascript">
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